Managing PCI express devices during recovery operations

Details Managing PCI express devices during recovery operations Managing PCI express devices during recovery operations

2008-02-19

2010-06-29

Phan, Raymond N (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C710S313000, C710S309000, C714S043000, C714S044000

Reexamination Certificate

active

07747809

ABSTRACT:
A PCI Express system comprising: a PCI Express adapter; and a PCI Express root complex coupled to the PCI Express adapter, the PCI root complex including: a protocol stack coupled to the PCI express adapter and configured to transmit information to and receive information from the PCI express adapter; an application specific logic module; and a fencing module coupled between the application specific logic module and the protocol stack and configured to, when in operation, block all signals from the application specific logic module from reaching the protocol stack.

REFERENCES:
patent: 7191255 (2007-03-01), Wong et al.
patent: 7231480 (2007-06-01), Woodral
patent: 7281077 (2007-10-01), Woodral
patent: 7398427 (2008-07-01), Arndt et al.
patent: 7426597 (2008-09-01), Tsu et al.
z/Architecture Principles of Operation, International Business Machines Corporation, SA22-7832-05, Sixth Edition (Apr. 2007) Downloaded as 4 separate attachments due to large size. 1,215 pages total.

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